Frictional vibration damper

Details Frictional vibration damper Frictional vibration damper

1977-10-17

1980-04-08

Halvosa, George E. A.

Brakes

Operators

Automatic

188 1B, 188 727, 192 54, 192103C, 248562, 248567, B60T 712

Patent

active

041967968

ABSTRACT:
A vibration damping mechanism particularly useful for accommodating both gradual displacements of piping or similar structures such as can be caused by thermal deformation and rapid vibrations such as can be caused by earthquakes or other externally applied forces. The mechanism comprises two housing portions movable relative to each other, one of the housing portions being attached at one end thereof to a stationary structure, such as a wall of a buidling, while the other housing portion is attached to a section of piping whose movement is to be damped. Substantially concentric wheel members are disposed internally of one of the housings, the wheel members being spring-biased relative to each other, to absorb both gradual and rapid displacements of the piping relative to the stationary structure.

REFERENCES:
patent: 2139666 (1938-12-01), Bogart
patent: 3034619 (1962-05-01), Glasgow et al.
patent: 3067847 (1962-12-01), Beach
patent: 3338361 (1967-08-01), Hoff
patent: 3367456 (1968-02-01), Bohnhoff
patent: 3453905 (1969-07-01), Schmid
patent: 3983965 (1976-10-01), Wright, Jr.

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